The Iranian oil tanker Sanchi collided over a week ago with a freighter, and Chinese officials say the oil slick is now 128 square miles, threatening marine life, including humpback and grey whales.
Nearly 4,000 solar panels, covering an area the size of two football fields, have been installed at the site of the 1986 nuclear disaster.
Sea ice around the North Pole fell to the smallest extent on record, and Arctic temperatures were the second highest ever recorded, according to an annual report by the National Oceanic and Atmospheric Administration.
Led by Britain and Canada, nations form the Power Past Coal Alliance to phase out use of the dirtiest fossil fuel — but big emitters remain absent.
Scientists have found the oldest example of the domestication of a wild-growing Eurasian grapevine solely for the production of wine.
Tesla’s Elon Musk and the Campaign to Stop Killer Robots have called for a ban on the use of militarized robots and algorithms.
Schools are closed, construction has halted, and vehicles have been restricted as levels of PM2.5 pollution spike in the Indian capital.
A UN agency reported that human activities and a strong El Niño event pushed the amount of carbon dioxide in the atmosphere to a level not seen in at least 800,000 years.
Drivers of vehicles registered prior to 2005, when stricter environmental standards were introduced, will pay over $13.00 when entering the city on weekdays.
Israeli archaeologists believe the structure, dating back to the 2nd or 3rd centuries, could have been a public theater or a meeting place for the city council.